Find the angle between the two vectors `vecA = hati + 2hatj + 3hatk and vecB = 2hati+ hatj + 4hatk`.

Find the angle between the two vectors vecA =hati-2hatj+3hatk and vecB=2hati+hatj+3hatk .

Find the angle between the vectors veca=hati-hatj+hatk and vecb=hati+hatj-hatk .

Find the angle between the vectors vecA=2hati+3hatj and vecB=-3hati+2hatj .

Find the angle between the vectors hati-2hatj+3hatkand3hati-2hatj+hatk

Given two vectors veca=-hati + 2hatj + 2hatk and vecb =- 2hati + hatj + 2hatk find |vec a xx vec b|

Given two vectors veca=-hati + 3hatj + hatk and vecb =- 3hati + hatj + hatk find |vec a xx vec b|

Find the angle between the lines vecr = (2hati - hatj +3hatk) + lambda(hati + hatj + 2hatk) and vec r = (hati - 3hatj)+mu(2hatj - hatk)

If vecA= 5hati+6hatj+3hatk and vecB=6hati-2hatj-6hatk , then